Charging device



FIG. 1 is a front view of a charging device in accordance with the present design;

FIG. 2 is a rear view of the charging device;

FIG. 3 is a left side view of the charging device;

FIG. 4 is a right side view of the charging device;

FIG. 5 is a top view of the charging device;

FIG. 6 is a perspective view of the charging device; and,

FIG. 7 is an alternative perspective view of the charging device. 

The ornamental design for a charging device, substantially as shown and described. 